Andrzej Bialecki created SOLR-11189:
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Summary: Provisioning actions for autoscaling
Key: SOLR-11189
URL: https://issues.apache.org/jira/browse/SOLR-11189
Project: Solr
Issue Type: Sub-task
Security Level: Public (Default Security Level. Issues are Public)
Components: AutoScaling
Reporter: Andrzej Bialecki
Fix For: master (8.0)
Autoscaling should be able to provision new nodes when necessary, or
decommission no longer needed nodes. Solr should support a few common platforms
out of the box (eg. AWS and Azure) with an API for integration with other
platforms.
Auto-provisioning can already be implemented as a {{TriggerAction}}, however
there are common non-trivial aspects that should be supported by the framework,
such as:
* authentication to cluster manager APIs
* ability to consider cost vs. performance tradeoffs and constraints (avoiding
over-provisioning and under-provisioning)
* maintaining cluster stability (avoiding trashing) while reacting with small
delay and lag. These aspects will likely require some form of feedback loop
controller.
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